Convertible jacket



FIG. 1 is a front perspective view of a convertible jacket showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side perspective view thereof; and,

FIG. 5 is a top view thereof. 

CLAIM The ornamental design for a convertible jacket, as shown and described. 